Aplikasi Java dengan Tombol Save dan Load

Sintak aplikasi java ini terdiri atas :

import java.io.FileNotFoundException;

import java.util.Scanner;

import java.util.logging.Level;

import java.util.logging.Logger;

import javax.swing.JOptionPane;

/*

* To change this template, choose Tools | Templates

* and open the template in the editor.

*/

/*

* Cyberjava.java

*

* Created on 17 Apr 09, 19:02:13

*/

/**

*

* @author Any one

*/

public class Pizaini extends javax.swing.JFrame {

int a, b;

String hur= ";";

/** Creates new form Pizaini */

public Pizaini() {

initComponents();

}

/** This method is called from within the constructor to

* initialize the form.

* WARNING: Do NOT modify this code. The content of this method is

* always regenerated by the Form Editor.

*/

@SuppressWarnings("unchecked")

//
private void initComponents() {

jToolBar1 = new javax.swing.JToolBar();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton5 = new javax.swing.JButton();
jButton6 = new javax.swing.JButton();
jButton7 = new javax.swing.JButton();
jLabel1 = new javax.swing.JLabel();
jSeparator1 = new javax.swing.JSeparator();
jLabel2 = new javax.swing.JLabel();
massa = new javax.swing.JTextField();
perc = new javax.swing.JTextField();
jButton3 = new javax.swing.JButton();
jButton4 = new javax.swing.JButton();
jSeparator2 = new javax.swing.JSeparator();
jLabel3 = new javax.swing.JLabel();
hasil = new javax.swing.JLabel();
jMenuBar1 = new javax.swing.JMenuBar();
jMenu1 = new javax.swing.JMenu();
jMenu3 = new javax.swing.JMenu();
jMenuItem1 = new javax.swing.JMenuItem();
jMenuItem2 = new javax.swing.JMenuItem();
jMenuItem7 = new javax.swing.JMenuItem();
jMenuItem3 = new javax.swing.JMenuItem();
jMenuItem4 = new javax.swing.JMenuItem();
jMenu2 = new javax.swing.JMenu();
jMenuItem5 = new javax.swing.JMenuItem();
jMenuItem6 = new javax.swing.JMenuItem();
jMenu4 = new javax.swing.JMenu();
jMenu5 = new javax.swing.JMenu();
jMenu6 = new javax.swing.JMenu();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

jToolBar1.setRollover(true);

jButton1.setText("Save");
jButton1.setFocusable(false);
jButton1.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
jButton1.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jToolBar1.add(jButton1);

jButton2.setText("Load");
jButton2.setFocusable(false);
jButton2.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
jButton2.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
jToolBar1.add(jButton2);

jButton5.setText("Information");
jButton5.setFocusable(false);
jButton5.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
jButton5.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
jToolBar1.add(jButton5);

jButton6.setText("Check");
jButton6.setFocusable(false);
jButton6.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
jButton6.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
jToolBar1.add(jButton6);

jButton7.setText("Create");
jButton7.setFocusable(false);
jButton7.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
jButton7.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
jToolBar1.add(jButton7);

jLabel1.setText("Masukkan Nilai Massa :");

jLabel2.setText("Masukkan Nilai Percepatan :");

jButton3.setText("Proses");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});

jButton4.setText("Clear");
jButton4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton4ActionPerformed(evt);
}
});

jLabel3.setText("Hasil Perhitungan :");

jMenu1.setText("File");

jMenu3.setText("Setting");

jMenuItem1.setText("jMenuItem1");
jMenu3.add(jMenuItem1);

jMenuItem2.setText("jMenuItem2");
jMenu3.add(jMenuItem2);

jMenu1.add(jMenu3);

jMenuItem7.setText("Open");
jMenu1.add(jMenuItem7);

jMenuItem3.setText("Save");
jMenu1.add(jMenuItem3);

jMenuItem4.setText("Exit");
jMenu1.add(jMenuItem4);

jMenuBar1.add(jMenu1);

jMenu2.setText("Edit");

jMenuItem5.setText("Copy");
jMenu2.add(jMenuItem5);

jMenuItem6.setText("Paste");
jMenu2.add(jMenuItem6);

jMenuBar1.add(jMenu2);

jMenu4.setText("View");
jMenuBar1.add(jMenu4);

jMenu5.setText("Tools");
jMenuBar1.add(jMenu5);

jMenu6.setText("About");
jMenuBar1.add(jMenu6);

setJMenuBar(jMenuBar1);

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jToolBar1, javax.swing.GroupLayout.DEFAULT_SIZE, 481, Short.MAX_VALUE)
.addComponent(jSeparator1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 481, Short.MAX_VALUE)
.addGroup(layout.createSequentialGroup()
.addGap(46, 46, 46)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel1)
.addComponent(jLabel2))
.addGap(59, 59, 59)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(massa)
.addComponent(perc, javax.swing.GroupLayout.DEFAULT_SIZE, 75, Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 74, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(jButton4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addGap(28, 28, 28))
.addComponent(jSeparator2, javax.swing.GroupLayout.DEFAULT_SIZE, 481, Short.MAX_VALUE)
.addGroup(layout.createSequentialGroup()
.addGap(44, 44, 44)
.addComponent(jLabel3)
.addContainerGap(302, Short.MAX_VALUE))
.addGroup(layout.createSequentialGroup()
.addGap(240, 240, 240)
.addComponent(hasil, javax.swing.GroupLayout.PREFERRED_SIZE, 72, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(169, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jToolBar1, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(9, 9, 9)
.addComponent(jSeparator1, javax.swing.GroupLayout.PREFERRED_SIZE, 10, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(jButton3)
.addComponent(massa, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(53, 53, 53)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(jButton4)
.addComponent(perc, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jSeparator2, javax.swing.GroupLayout.PREFERRED_SIZE, 10, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(hasil, javax.swing.GroupLayout.PREFERRED_SIZE, 12, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(72, Short.MAX_VALUE))
);

pack();
}//

private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {

a = Integer.parseInt(massa.getText());

b = Integer.parseInt(perc.getText());

int has = a * b;

hasil.setText(""+has);

// TODO add your handling code here:

}

private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {

massa.setText("");

perc.setText("");

hasil.setText("");

// TODO add your handling code here:

}

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {

java.io.File file = new java.io.File("Save.txt");

java.io.PrintWriter output = null;

try {

output = new java.io.PrintWriter(file);

} catch (FileNotFoundException ex) {

Logger.getLogger(Pizaini.class.getName()).log(Level.SEVERE, null, ex);

}

output.print(massa.getText()+hur);

output.print(perc.getText());

output.close();

//option pane

JOptionPane.showMessageDialog(null, "Saved Successfully...!","Success",JOptionPane.WARNING_MESSAGE);

// TODO add your handling code here:

}

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {

//event hand

int respon2 = JOptionPane.showConfirmDialog(null, "Are You Sure ?", "Tanya Dulu...", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);

java.io.File file = new java.io.File("Save.txt");

Scanner input = null;

try {

input = new Scanner(file);

} catch (FileNotFoundException ex) {

Logger.getLogger(Pizaini.class.getName()).log(Level.SEVERE, null, ex);

}

input.useDelimiter(";");

while (input.hasNext()){

String m = input.next();

String p = input.next();

massa.setText(m);

perc.setText(p);

}

input.close();

// TODO add your handling code here:

}

/**

* @param args the command line arguments

*/

public static void main(String args[]) {

java.awt.EventQueue.invokeLater(new Runnable() {

public void run() {

new Pizaini().setVisible(true);

}

});

}

// Variables declaration - do not modify

private javax.swing.JLabel hasil;

private javax.swing.JButton jButton1;

private javax.swing.JButton jButton2;

private javax.swing.JButton jButton3;

private javax.swing.JButton jButton4;

private javax.swing.JButton jButton5;

private javax.swing.JButton jButton6;

private javax.swing.JButton jButton7;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel2;

private javax.swing.JLabel jLabel3;

private javax.swing.JMenu jMenu1;

private javax.swing.JMenu jMenu2;

private javax.swing.JMenu jMenu3;

private javax.swing.JMenu jMenu4;

private javax.swing.JMenu jMenu5;

private javax.swing.JMenu jMenu6;

private javax.swing.JMenuBar jMenuBar1;

private javax.swing.JMenuItem jMenuItem1;

private javax.swing.JMenuItem jMenuItem2;

private javax.swing.JMenuItem jMenuItem3;

private javax.swing.JMenuItem jMenuItem4;

private javax.swing.JMenuItem jMenuItem5;

private javax.swing.JMenuItem jMenuItem6;

private javax.swing.JMenuItem jMenuItem7;

private javax.swing.JSeparator jSeparator1;

private javax.swing.JSeparator jSeparator2;

private javax.swing.JToolBar jToolBar1;

private javax.swing.JTextField massa;

private javax.swing.JTextField perc;

// End of variables declaration

}

lebih lengkap download di sini.